Earthquake (controlled explosion) with magnitude of ML 1.9 on date 03-09-2020 and time 11:24:11 (Italy) in region Costa Toscana livornese (Livorno)

A magnitude ML 1.9 (controlled explosion) earthquake occured in region: Costa Toscana livornese (Livorno), on

  • 03-09-2020 09:24:11 (UTC)
  • 03-09-2020 11:24:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.38, 10.31 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: controlled explosion.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rosignano Marittimo LI 14 31394 31394
Cecina LI 19 28046 59440
Livorno LI 20 159219 218659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Livorno (159219 inhabitants)
39 Km S of Pisa (89158 inhabitants)
55 Km SW of Lucca (89046 inhabitants)
55 Km S of Viareggio (62467 inhabitants)
75 Km S of Massa (69479 inhabitants)
79 Km SW of Pistoia (90315 inhabitants)
80 Km S of Carrara (63133 inhabitants)
83 Km SW of Scandicci (50609 inhabitants)
83 Km W of Siena (53903 inhabitants)
85 Km SW of Prato (191150 inhabitants)
88 Km SW of Firenze (382808 inhabitants)
90 Km SE of La Spezia (93959 inhabitants)
95 Km NW of Grosseto (82087 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.9 2020-09-03
09:24:11
43.37 10.31 0 2021-02-26
14:56:01
Bollettino Sismico Italiano INGV 84155601
Reviewed
Rev100
ML 1.8 2020-09-03
09:24:10
43.37 10.24 0 2020-09-03
09:34:00
Sala Sismica INGV-Roma 82583681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-03 09:24:11 ± 0.13
Latitude 43.37 ± 0.01
Longitude 10.31 ± 0.01
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type controlled explosion
Origin ID 84155601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1140
Semi-minor axis of confidence ellipse (meter) 820
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.26355
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 82583681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-03 09:34:00

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 84155601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-10 10:33:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ILOS.HNZ. 2020-09-03T09:25:58.14 3.0 positive manual Pg 13.49 0
IV.SENA.HHZ. 2020-09-03T09:25:45.95 3.0 undecidable manual Sg 2.94 0
IV.CMPR.HHZ. 2020-09-03T09:25:42.80 3.0 undecidable manual Pg 15.45 0
IV.MCRV.HHZ. 2020-09-03T09:25:34.20 3.0 undecidable manual Pg 12.07 0
IV.ROSPO.HHZ. 2020-09-03T09:25:20.48 3.0 undecidable manual Pg 10.65 0
IV.QLNO.HHZ. 2020-09-03T09:25:09.78 3.0 undecidable manual Sg -0.1 0
IT.VALS.HNZ. 2020-09-03T09:25:05.33 3.0 undecidable manual Pn 2.16 0
IV.VCEL.EHZ. 2020-09-03T09:25:01.09 3.0 undecidable manual Pn 2.35 0
IT.PNAL.HNZ. 2020-09-03T09:25:01.23 3.0 negative manual Pn -1.69 0
IV.MF5.EHZ. 2020-09-03T09:24:55.32 3.0 undecidable manual Pg 2.85 0
IV.MILN.HNZ. 2020-09-03T09:24:54.68 3.0 undecidable manual Pg 3.08 0
IV.MNTP.HNZ. 2020-09-03T09:24:49.99 3.0 positive manual Pn -2.18 0
RD.PGF.BHZ. 2020-09-03T09:24:35.01 0.3 undecidable manual P 230 1.2635 50 -0.69 54
IV.ASQU.HHZ. 2020-09-03T09:24:33.68 0.3 undecidable manual P 68 1.1529 50 -0.13 65
IV.SEI.HHZ. 2020-09-03T09:24:32.24 0.3 undecidable manual P 48 1.0189 50 0.73 56
IV.MAON.HHZ. 2020-09-03T09:24:32.69 0.3 undecidable manual P 147 1.1224 50 -0.58 58
IV.ARCI.HHZ. 2020-09-03T09:24:31.41 0.1 undecidable manual P 121 1 50 0.22 87
GU.GSCL.HHZ. 2020-09-03T09:24:31.78 0.3 undecidable manual P 12 0.9955 50 0.66 58
IV.RUFI.EHZ. 2020-09-03T09:24:31.62 0.3 undecidable manual P 62 0.9857 50 0.68 58
IV.MPPT.EHZ. 2020-09-03T09:24:28.00 0.1 undecidable manual P 44 0.8121 50 0.02 95
MN.VLC.HHZ. 2020-09-03T09:24:27.42 0.3 undecidable manual P 4 0.786 50 -0.11 70
GU.EQUI.HHN. 2020-09-03T09:24:27.11 0.3 undecidable manual P 352 0.7986 50 -0.63 61
IV.PLMA.HHZ. 2020-09-03T09:24:26.63 0.3 undecidable manual P 334 0.75 50 -0.28 69
IV.CSNT.HHZ. 2020-09-03T09:24:26.00 0.3 undecidable manual P 82 0.7204 50 -0.41 67
IV.CASP.HHZ. 2020-09-03T09:24:26.10 0.1 undecidable manual P 145 0.7123 50 -0.16 94
GU.POPM.HHZ. 2020-09-03T09:24:26.75 0.1 positive manual P 26 0.7446 50 -0.07 96
IV.RIBO.EHZ. 2020-09-03T09:24:25.98 0.3 undecidable manual P 128 0.6871 50 0.15 71
IV.CRMI.HHZ. 2020-09-03T09:24:25.08 0.1 positive manual P 49 0.643 50 -0.01 99
GU.CARD.HHZ. 2020-09-03T09:24:25.07 0.1 undecidable manual P 11 0.6628 50 -0.35 92
IV.FROS.CHE. 2020-09-03T09:24:24.73 0.3 undecidable manual P 105 0.6394 50 -0.29 70
GU.MAIM.HHZ. 2020-09-03T09:24:23.37 0.3 undecidable manual P 14 0.5549 50 -0.21 72
IV.TRIF.CHZ. 2020-09-03T09:24:22.06 0.3 undecidable manual P 121 0.5054 90 -0.44 70
Z3.A317A.HHE. 2020-09-03T09:24:22.65 0.1 positive manual P 226 0.4685 90 0.96 76
IV.PII.HHZ. 2020-09-03T09:24:20.13 0.1 undecidable manual P 24 0.3813 90 0.4 96
IV.MAGO.CHZ. 2020-09-03T09:24:17.68 0.1 positive manual P 112 0.2743 90 0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MAGO.CHN. ML:2 0.00052 0.44 AML other m 2020-09-03T09:24:21.66
IV.PII.HHE. ML:1.8 0.000197 0.22 AML other m 2020-09-03T09:24:24.74
IV.MAGO.CHE. ML:1.9 0.0004375 1.3 AML other m 2020-09-03T09:24:25.71
IV.CRMI.HHE. ML:1.1 2.18E-5 1.12 AML other m 2020-09-03T09:24:26.57
IV.PII.HHN. ML:1.6 0.000148 0.36 AML other m 2020-09-03T09:24:29.64
GU.CARD.HHE. ML:1.9 0.0001315 0.92 AML other m 2020-09-03T09:24:31.26
IV.CRMI.HHN. ML:1.1 1.82E-5 1.2 AML other m 2020-09-03T09:24:31.37
GU.CARD.HHN. ML:2 0.000144 0.14 AML other m 2020-09-03T09:24:32.15
IV.MPPT.EHN. ML:1.5 3.74E-5 0.5 AML other m 2020-09-03T09:24:32.35
IV.MPPT.EHE. ML:1.5 4.02E-5 0.54 AML other m 2020-09-03T09:24:32.39
GU.POPM.HHN. ML:1.9 0.000105 0.14 AML other m 2020-09-03T09:24:32.89
IV.SEI.HHE. ML:1.8 5.635E-5 0.9 AML other m 2020-09-03T09:24:36.31
GU.POPM.HHE. ML:1.9 0.00010505 0.2 AML other m 2020-09-03T09:24:40.62
MN.VLC.HHN. ML:1.6 4.79E-5 0.42 AML other m 2020-09-03T09:24:45.34
IV.SEI.HHN. ML:2 7.775E-5 0.5 AML other m 2020-09-03T09:24:45.38
MN.VLC.HHE. ML:1.8 6.815E-5 0.8 AML other m 2020-09-03T09:24:46.51
IV.MAON.HNE. ML:2.7 0.000391 1.52 AML other m 2020-09-03T09:24:49.87
IV.MAON.HNN. ML:2.7 0.000338 1.36 AML other m 2020-09-03T09:24:49.91
IV.CASP.HHE. ML:2 0.000138 1 AML other m 2020-09-03T09:24:50.61
GU.GSCL.HHN. ML:2.2 0.000118 1.36 AML other m 2020-09-03T09:24:54.31
IV.ASQU.HHN. ML:1.5 2.035E-5 0.42 AML other m 2020-09-03T09:24:54.70
IV.CASP.HHN. ML:2 0.000142 0.84 AML other m 2020-09-03T09:24:56.00
GU.GSCL.HHE. ML:2.2 0.0001365 0.98 AML other m 2020-09-03T09:24:57.35
IV.ARCI.HHN. ML:1.7 3.935E-5 1.02 AML other m 2020-09-03T09:25:00.04
IV.MAON.HHN. ML:2.2 0.0001052 0.86 AML other m 2020-09-03T09:25:02.25
IV.ARCI.HHE. ML:1.9 6.815E-5 1.18 AML other m 2020-09-03T09:25:03.89
IV.MAON.HHE. ML:2.2 9.785E-5 1.12 AML other m 2020-09-03T09:25:15.37
IV.ASQU.HHE. ML:1.5 2.135E-5 0.98 AML other m 2020-09-03T09:25:17.26
IV.MNTP.HNE. ML:3.8 0.0011905 0.42 AML other m 2020-09-03T09:25:35.21
IV.MNTP.HNN. ML:3.2 0.0002825 0.56 AML other m 2020-09-03T09:25:35.22
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download